Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: O tipo FJ/RN/SC está associado a qual classe?
 ###Tabelas: CREATE TABLE outdoor_sports (outdoor_sports_id AUTO_INCREMENT PRIMARY KEY, League VARCHAR, Sport VARCHAR, Season VARCHAR, # of Teams INT, Games INT, Total attendance VARCHAR, Average attendance INT) CREATE TABLE leaders (leaders_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Player VARCHAR, Country VARCHAR, Earnings ( $ ) INT, Events INT, Wins INT) CREATE TABLE production (production_id AUTO_INCREMENT PRIMARY KEY, Autonomous Community VARCHAR, Hydroelectric power INT, Wind power INT, Solar power INT, Biomass power INT, Solid waste power INT, Total Renewable Generation INT, Total Electricity Demand INT, % Renewable of Total Electricity Demand VARCHAR) CREATE TABLE draft_picks (draft_picks_id AUTO_INCREMENT PRIMARY KEY, Round # INT, Pick # INT, Player VARCHAR, Position VARCHAR, Nationality VARCHAR, College/junior/club team VARCHAR) CREATE TABLE threat_levels (threat_levels_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Weapon VARCHAR, Caliber VARCHAR, Type VARCHAR, Weight (g) VARCHAR, Range (m) VARCHAR, Velocity (m/s) VARCHAR, Impact Energy VARCHAR, Shots INT)  
SELECT Class FROM threat_levels WHERE Type = FJ/RN/SC